Cool
Average highs are around 18°C, so pack for cooler days.
May verdict
Poland in May
Weather score40Mixed
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 66mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
18°C
Rain
66mm
Sun
6.8h
Sea
2°C
Weather score
40
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 66mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 2°C, so the water can feel cool.
Map
Weather map
Compare Poland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May18°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
May66mm average rain
May sits near Poland's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May6.8 hours average sun
May is one of Poland's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May2°C average sea
May is close to Poland's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 3°C in this stretch, so swimming comfort is at its strongest.
Weather score
May40 weather score
May sits close to Poland's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
